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<a name="1" href="#1">1</a>    <em class="jxr_comment">/*<em class="jxr_comment"> SoftScrollPanel.java</em></em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> *</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> * Created on August 16, 2007, 9:11 AM</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> *</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * This library is free software; you can redistribute it and/or</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * modify it under the terms of the GNU Lesser General Public</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * License as published by the Free Software Foundation; either</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * version 2.1 of the License, or (at your option) any later version.</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * This library is distributed in the hope that it will be useful,</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * Lesser General Public License for more details.</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> *</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> * You should have received a copy of the GNU Lesser General Public</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> * License along with this library; if not, write to the Free Software</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</em>
<a name="18" href="#18">18</a>  <em class="jxr_comment"> */</em>
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.fx.ui;
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.GWT;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.DOM;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.Element;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Composite;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.FocusPanel;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.MouseListener;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.MouseListenerAdapter;
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.ScrollListener;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.ScrollListenerCollection;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.SimplePanel;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.SourcesMouseEvents;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.SourcesScrollEvents;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.UIObject;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Widget;
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.beans.Introspectable;
<a name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.fx.AnimationFinishedCallback;
<a name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.fx.MutationStrategy;
<a name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.fx.PositionWrapper;
<a name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.fx.PropertyAnimator;
<a name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Level;
<a name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Logger;
<a name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.ui.HasWidget;
<a name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.UnitsParser;
<a name="44" href="#44">44</a>  
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment">/**</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:cooper@screaming-penguin.com" target="alexandria_uri">mailto:cooper@screaming-penguin.com</a>"&gt;Robert "kebernet" Cooper&lt;/a&gt;</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> */</em>
<a name="50" href="#50">50</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollArea.html">SoftScrollArea</a> <strong class="jxr_keyword">extends</strong> Composite implements HasWidget,
<a name="51" href="#51">51</a>      Introspectable, SourcesScrollEvents, SourcesMouseEvents {
<a name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/PositionWrapper.html">PositionWrapper</a> position;
<a name="53" href="#53">53</a>      <a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> horizontalAnimator;
<a name="54" href="#54">54</a>      <a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> scrollAnimator;
<a name="55" href="#55">55</a>      <strong class="jxr_keyword">private</strong> ScrollListenerCollection listeners = <strong class="jxr_keyword">new</strong> ScrollListenerCollection();
<a name="56" href="#56">56</a>      <strong class="jxr_keyword">private</strong> FocusPanel fp = <strong class="jxr_keyword">new</strong> FocusPanel();
<a name="57" href="#57">57</a>      <strong class="jxr_keyword">private</strong> SimplePanel base = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="58" href="#58">58</a>      <strong class="jxr_keyword">private</strong> Widget widget;
<a name="59" href="#59">59</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> limit = <strong class="jxr_keyword">true</strong>;
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> defaultAnimationDuration = 500;
<a name="61" href="#61">61</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> horizOverride = Integer.MIN_VALUE;
<a name="62" href="#62">62</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> scrollOverride = Integer.MIN_VALUE;
<a name="63" href="#63">63</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Creates a new instance of <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollPanel.html">SoftScrollPanel</a> */</em>
<a name="64" href="#64">64</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollArea.html">SoftScrollArea</a>() {
<a name="65" href="#65">65</a>          DOM.setStyleAttribute(base.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="66" href="#66">66</a>          fp.setWidget( base );
<a name="67" href="#67">67</a>          <strong class="jxr_keyword">super</strong>.initWidget(fp);
<a name="68" href="#68">68</a>          <strong class="jxr_keyword">this</strong>.setStyleName(<span class="jxr_string">"gwittir-SoftScrollArea"</span>);
<a name="69" href="#69">69</a>      }
<a name="70" href="#70">70</a>  
<a name="71" href="#71">71</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollArea.html">SoftScrollArea</a>(<strong class="jxr_keyword">boolean</strong> limit) {
<a name="72" href="#72">72</a>          <strong class="jxr_keyword">this</strong>();
<a name="73" href="#73">73</a>          <strong class="jxr_keyword">this</strong>.limit = limit;
<a name="74" href="#74">74</a>      }
<a name="75" href="#75">75</a>  
<a name="76" href="#76">76</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addScrollListener(ScrollListener listener) {
<a name="77" href="#77">77</a>          <strong class="jxr_keyword">this</strong>.listeners.add(listener);
<a name="78" href="#78">78</a>      }
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> animateToHorizontalScrollPosition(<strong class="jxr_keyword">int</strong> newPosition,
<a name="81" href="#81">81</a>          <a href="../../../../../../com/totsp/gwittir/client/fx/MutationStrategy.html">MutationStrategy</a> integerStrategy, <strong class="jxr_keyword">int</strong> duration) {
<a name="82" href="#82">82</a>          <strong class="jxr_keyword">int</strong> max = widget.getOffsetWidth() - base.getOffsetWidth();
<a name="83" href="#83">83</a>  
<a name="84" href="#84">84</a>          <strong class="jxr_keyword">if</strong>(limit &amp; (newPosition &gt; max)) {
<a name="85" href="#85">85</a>              newPosition = max;
<a name="86" href="#86">86</a>          }
<a name="87" href="#87">87</a>  
<a name="88" href="#88">88</a>          <strong class="jxr_keyword">if</strong>(limit &amp; (newPosition &lt; 0)) {
<a name="89" href="#89">89</a>              newPosition = 0;
<a name="90" href="#90">90</a>          }
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>          <strong class="jxr_keyword">if</strong>(<strong class="jxr_keyword">this</strong>.horizontalAnimator != <strong class="jxr_keyword">null</strong>) {
<a name="93" href="#93">93</a>              <strong class="jxr_keyword">this</strong>.horizontalAnimator.cancel();
<a name="94" href="#94">94</a>          }
<a name="95" href="#95">95</a>  
<a name="96" href="#96">96</a>          horizontalAnimator = <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a>(<strong class="jxr_keyword">this</strong>,
<a name="97" href="#97">97</a>                  <span class="jxr_string">"horizontalScrollPosition"</span>, <strong class="jxr_keyword">new</strong> Integer(newPosition),
<a name="98" href="#98">98</a>                  integerStrategy, duration,
<a name="99" href="#99">99</a>                  <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/AnimationFinishedCallback.html">AnimationFinishedCallback</a>() {
<a name="100" href="#100">100</a>                     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFinish(<a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> animator) {
<a name="101" href="#101">101</a>                         horizOverride = Integer.MIN_VALUE;
<a name="102" href="#102">102</a>                         horizontalAnimator = <strong class="jxr_keyword">null</strong>;
<a name="103" href="#103">103</a>                     }
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>                     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(<a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> animator, Exception e) {
<a name="106" href="#106">106</a>                         horizOverride = Integer.MIN_VALUE;
<a name="107" href="#107">107</a>                         horizontalAnimator = <strong class="jxr_keyword">null</strong>;
<a name="108" href="#108">108</a>                     }
<a name="109" href="#109">109</a>                 });
<a name="110" href="#110">110</a>         horizOverride = newPosition;
<a name="111" href="#111">111</a>         <strong class="jxr_keyword">this</strong>.horizontalAnimator.start();
<a name="112" href="#112">112</a>     }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> animateToHorizontalScrollPosition(<strong class="jxr_keyword">int</strong> newPosition) {
<a name="115" href="#115">115</a>         <strong class="jxr_keyword">this</strong>.animateToHorizontalScrollPosition(newPosition,
<a name="116" href="#116">116</a>             MutationStrategy.INTEGER_SINOIDAL,
<a name="117" href="#117">117</a>             <strong class="jxr_keyword">this</strong>.getDefaultAnimationDuration());
<a name="118" href="#118">118</a>     }
<a name="119" href="#119">119</a> 
<a name="120" href="#120">120</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> animateToScrollPosition(<strong class="jxr_keyword">int</strong> newPosition,
<a name="121" href="#121">121</a>         <a href="../../../../../../com/totsp/gwittir/client/fx/MutationStrategy.html">MutationStrategy</a> integerStrategy, <strong class="jxr_keyword">int</strong> duration) {
<a name="122" href="#122">122</a>         <strong class="jxr_keyword">int</strong> max = widget.getOffsetHeight() - base.getOffsetHeight();
<a name="123" href="#123">123</a> 
<a name="124" href="#124">124</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (newPosition &gt; max)) {
<a name="125" href="#125">125</a>             newPosition = max;
<a name="126" href="#126">126</a>         }
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (newPosition &lt; 0)) {
<a name="129" href="#129">129</a>             newPosition = 0;
<a name="130" href="#130">130</a>         }
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">if</strong>(<strong class="jxr_keyword">this</strong>.scrollAnimator != <strong class="jxr_keyword">null</strong>) {
<a name="133" href="#133">133</a>             scrollAnimator.cancel();
<a name="134" href="#134">134</a>         }
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">this</strong>.scrollAnimator = <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a>(<strong class="jxr_keyword">this</strong>, <span class="jxr_string">"scrollPosition"</span>,
<a name="137" href="#137">137</a>                 <strong class="jxr_keyword">new</strong> Integer(newPosition), integerStrategy, duration,
<a name="138" href="#138">138</a>                 <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/AnimationFinishedCallback.html">AnimationFinishedCallback</a>() {
<a name="139" href="#139">139</a>                     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFinish(<a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> animator) {
<a name="140" href="#140">140</a>                         scrollOverride = Integer.MIN_VALUE;
<a name="141" href="#141">141</a>                         scrollAnimator = <strong class="jxr_keyword">null</strong>;
<a name="142" href="#142">142</a>                     }
<a name="143" href="#143">143</a> 
<a name="144" href="#144">144</a>                     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(<a href="../../../../../../com/totsp/gwittir/client/fx/PropertyAnimator.html">PropertyAnimator</a> animator, Exception e) {
<a name="145" href="#145">145</a>                         scrollOverride = Integer.MIN_VALUE;
<a name="146" href="#146">146</a>                         scrollAnimator = <strong class="jxr_keyword">null</strong>;
<a name="147" href="#147">147</a>                     }
<a name="148" href="#148">148</a>                 });
<a name="149" href="#149">149</a>         <strong class="jxr_keyword">this</strong>.scrollOverride = newPosition;
<a name="150" href="#150">150</a>         <strong class="jxr_keyword">this</strong>.scrollAnimator.start();
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> animateToScrollPosition(<strong class="jxr_keyword">int</strong> newPosition) {
<a name="154" href="#154">154</a>         <strong class="jxr_keyword">this</strong>.animateToScrollPosition(newPosition,
<a name="155" href="#155">155</a>             MutationStrategy.INTEGER_SINOIDAL,
<a name="156" href="#156">156</a>             <strong class="jxr_keyword">this</strong>.getDefaultAnimationDuration());
<a name="157" href="#157">157</a>     }
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> ensureVisible(UIObject uiobject) {
<a name="160" href="#160">160</a>         <strong class="jxr_keyword">int</strong> scroll = <strong class="jxr_keyword">this</strong>.ensureVisiblePosition(widget.getElement(),
<a name="161" href="#161">161</a>                 uiobject.getElement());
<a name="162" href="#162">162</a>         <strong class="jxr_keyword">int</strong> horiz = <strong class="jxr_keyword">this</strong>.ensureVisibleHortizontalPosition(widget.getElement(),
<a name="163" href="#163">163</a>                 uiobject.getElement());
<a name="164" href="#164">164</a>         <strong class="jxr_keyword">this</strong>.setScrollPosition(scroll);
<a name="165" href="#165">165</a>         <strong class="jxr_keyword">this</strong>.setHorizontalScrollPosition(horiz);
<a name="166" href="#166">166</a>     }
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> ensureVisibleAnimated(UIObject uiobject) {
<a name="169" href="#169">169</a>         <strong class="jxr_keyword">int</strong> scroll = <strong class="jxr_keyword">this</strong>.ensureVisiblePosition(widget.getElement(),
<a name="170" href="#170">170</a>                 uiobject.getElement());
<a name="171" href="#171">171</a>         <strong class="jxr_keyword">int</strong> horiz = <strong class="jxr_keyword">this</strong>.ensureVisibleHortizontalPosition(widget.getElement(),
<a name="172" href="#172">172</a>                 uiobject.getElement());
<a name="173" href="#173">173</a>         <strong class="jxr_keyword">this</strong>.animateToScrollPosition(scroll);
<a name="174" href="#174">174</a>         <strong class="jxr_keyword">this</strong>.animateToHorizontalScrollPosition(horiz);
<a name="175" href="#175">175</a>     }
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> ensureVisibleHortizontalPosition(Element position,
<a name="178" href="#178">178</a>         Element e) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a name="179" href="#179">179</a> <em class="jxr_comment">    if (!e)</em>
<a name="180" href="#180">180</a> <em class="jxr_comment">    return;</em>
<a name="181" href="#181">181</a> 
<a name="182" href="#182">182</a> <em class="jxr_comment">    var item = e;</em>
<a name="183" href="#183">183</a> <em class="jxr_comment">    var realOffset = 0;</em>
<a name="184" href="#184">184</a> <em class="jxr_comment">    while (item &amp;&amp; (item != position)) {</em>
<a name="185" href="#185">185</a> <em class="jxr_comment">    realOffset += item.offsetLeft;</em>
<a name="186" href="#186">186</a> <em class="jxr_comment">    item = item.offsetParent;</em>
<a name="187" href="#187">187</a> <em class="jxr_comment">    }</em>
<a name="188" href="#188">188</a> <em class="jxr_comment">    return realOffset; //- position.offsetWidth / 2;</em>
<a name="189" href="#189">189</a> <em class="jxr_comment">    }-*/</em>;
<a name="190" href="#190">190</a> 
<a name="191" href="#191">191</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> ensureVisiblePosition(Element position, Element e) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a name="192" href="#192">192</a> <em class="jxr_comment">    if (!e)</em>
<a name="193" href="#193">193</a> <em class="jxr_comment">    return;</em>
<a name="194" href="#194">194</a> 
<a name="195" href="#195">195</a> <em class="jxr_comment">    var item = e;</em>
<a name="196" href="#196">196</a> <em class="jxr_comment">    var realOffset = 0;</em>
<a name="197" href="#197">197</a> <em class="jxr_comment">    while (item &amp;&amp; (item != position)) {</em>
<a name="198" href="#198">198</a> <em class="jxr_comment">    realOffset += item.offsetTop;</em>
<a name="199" href="#199">199</a> <em class="jxr_comment">    item = item.offsetParent;</em>
<a name="200" href="#200">200</a> <em class="jxr_comment">    }</em>
<a name="201" href="#201">201</a> <em class="jxr_comment">    return -1 * (realOffset - position.offsetHeight/2 + e.offsetHeight / 2);</em>
<a name="202" href="#202">202</a> <em class="jxr_comment">    }-*/</em>;
<a name="203" href="#203">203</a> 
<a name="204" href="#204">204</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getDefaultAnimationDuration() {
<a name="205" href="#205">205</a>         <strong class="jxr_keyword">return</strong> defaultAnimationDuration;
<a name="206" href="#206">206</a>     }
<a name="207" href="#207">207</a> 
<a name="208" href="#208">208</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getHorizontalScrollPosition() {
<a name="209" href="#209">209</a>         <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">this</strong>.horizOverride == Integer.MIN_VALUE)
<a name="210" href="#210">210</a>         ? (-1 * UnitsParser.parse(position.getLeft()).value) : <strong class="jxr_keyword">this</strong>.horizOverride;
<a name="211" href="#211">211</a>     }
<a name="212" href="#212">212</a> 
<a name="213" href="#213">213</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMaxHorizontalScrollPosition() {
<a name="214" href="#214">214</a>         <strong class="jxr_keyword">int</strong> max = limit ? (widget.getOffsetWidth() - base.getOffsetWidth())
<a name="215" href="#215">215</a>                         : Integer.MAX_VALUE;
<a name="216" href="#216">216</a> 
<a name="217" href="#217">217</a>         <strong class="jxr_keyword">return</strong> (max &lt; 0) ? 0 : max;
<a name="218" href="#218">218</a>     }
<a name="219" href="#219">219</a> 
<a name="220" href="#220">220</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMaxScrollPosition() {
<a name="221" href="#221">221</a>         <strong class="jxr_keyword">int</strong> max = limit ? (widget.getOffsetHeight() - base.getOffsetHeight())
<a name="222" href="#222">222</a>                         : Integer.MAX_VALUE;
<a name="223" href="#223">223</a> 
<a name="224" href="#224">224</a>         <strong class="jxr_keyword">return</strong> (max &lt; 0) ? 0 : max;
<a name="225" href="#225">225</a>     }
<a name="226" href="#226">226</a> 
<a name="227" href="#227">227</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getScrollPosition() {
<a name="228" href="#228">228</a>         <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">this</strong>.scrollOverride == Integer.MIN_VALUE)
<a name="229" href="#229">229</a>         ? (-1 * UnitsParser.parse(position.getTop()).value) : <strong class="jxr_keyword">this</strong>.scrollOverride;
<a name="230" href="#230">230</a>     }
<a name="231" href="#231">231</a> 
<a name="232" href="#232">232</a>     <strong class="jxr_keyword">public</strong> Widget getWidget() {
<a name="233" href="#233">233</a>         <strong class="jxr_keyword">return</strong> widget;
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> onAttach() {
<a name="237" href="#237">237</a>         <strong class="jxr_keyword">super</strong>.onAttach();
<a name="238" href="#238">238</a>         <strong class="jxr_keyword">this</strong>.setScrollPosition(<strong class="jxr_keyword">this</strong>.getScrollPosition());
<a name="239" href="#239">239</a>     }
<a name="240" href="#240">240</a> 
<a name="241" href="#241">241</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageDown() {
<a name="242" href="#242">242</a>         <strong class="jxr_keyword">this</strong>.setScrollPosition(<strong class="jxr_keyword">this</strong>.getScrollPosition()
<a name="243" href="#243">243</a>             + <strong class="jxr_keyword">this</strong>.base.getOffsetHeight());
<a name="244" href="#244">244</a>     }
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageDownAnimated() {
<a name="247" href="#247">247</a>         <strong class="jxr_keyword">this</strong>.animateToScrollPosition(<strong class="jxr_keyword">this</strong>.getScrollPosition()
<a name="248" href="#248">248</a>             + <strong class="jxr_keyword">this</strong>.base.getOffsetHeight());
<a name="249" href="#249">249</a>     }
<a name="250" href="#250">250</a> 
<a name="251" href="#251">251</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageLeft() {
<a name="252" href="#252">252</a>         <strong class="jxr_keyword">this</strong>.setHorizontalScrollPosition(<strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition()
<a name="253" href="#253">253</a>             - <strong class="jxr_keyword">this</strong>.base.getOffsetWidth());
<a name="254" href="#254">254</a>     }
<a name="255" href="#255">255</a> 
<a name="256" href="#256">256</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageLeftAnimated() {
<a name="257" href="#257">257</a>         <strong class="jxr_keyword">this</strong>.animateToHorizontalScrollPosition(<strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition()
<a name="258" href="#258">258</a>             - <strong class="jxr_keyword">this</strong>.base.getOffsetWidth());
<a name="259" href="#259">259</a>     }
<a name="260" href="#260">260</a> 
<a name="261" href="#261">261</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageRight() {
<a name="262" href="#262">262</a>         <strong class="jxr_keyword">this</strong>.setHorizontalScrollPosition(<strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition()
<a name="263" href="#263">263</a>             + <strong class="jxr_keyword">this</strong>.base.getOffsetWidth());
<a name="264" href="#264">264</a>     }
<a name="265" href="#265">265</a> 
<a name="266" href="#266">266</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageRightAnimated() {
<a name="267" href="#267">267</a>         <strong class="jxr_keyword">this</strong>.animateToHorizontalScrollPosition(<strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition()
<a name="268" href="#268">268</a>             + <strong class="jxr_keyword">this</strong>.base.getOffsetWidth());
<a name="269" href="#269">269</a>     }
<a name="270" href="#270">270</a> 
<a name="271" href="#271">271</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageUp() {
<a name="272" href="#272">272</a>         <strong class="jxr_keyword">this</strong>.setScrollPosition(<strong class="jxr_keyword">this</strong>.getScrollPosition()
<a name="273" href="#273">273</a>             - <strong class="jxr_keyword">this</strong>.base.getOffsetHeight());
<a name="274" href="#274">274</a>     }
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> pageUpAnimated() {
<a name="277" href="#277">277</a>         <strong class="jxr_keyword">this</strong>.animateToScrollPosition(<strong class="jxr_keyword">this</strong>.getScrollPosition()
<a name="278" href="#278">278</a>             - <strong class="jxr_keyword">this</strong>.base.getOffsetHeight());
<a name="279" href="#279">279</a>     }
<a name="280" href="#280">280</a> 
<a name="281" href="#281">281</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeScrollListener(ScrollListener listener) {
<a name="282" href="#282">282</a>         <strong class="jxr_keyword">this</strong>.listeners.add(listener);
<a name="283" href="#283">283</a>     }
<a name="284" href="#284">284</a> 
<a name="285" href="#285">285</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setDefaultAnimationDuration(<strong class="jxr_keyword">int</strong> defaultAnimationDuration) {
<a name="286" href="#286">286</a>         <strong class="jxr_keyword">this</strong>.defaultAnimationDuration = defaultAnimationDuration;
<a name="287" href="#287">287</a>     }
<a name="288" href="#288">288</a> 
<a name="289" href="#289">289</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setHorizontalScrollPosition(<strong class="jxr_keyword">int</strong> position) {
<a name="290" href="#290">290</a>         <strong class="jxr_keyword">int</strong> max = widget.getOffsetWidth() - base.getOffsetWidth();
<a name="291" href="#291">291</a> 
<a name="292" href="#292">292</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (position &gt; max)) {
<a name="293" href="#293">293</a>             position = max;
<a name="294" href="#294">294</a>         }
<a name="295" href="#295">295</a> 
<a name="296" href="#296">296</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (position &lt; 0)) {
<a name="297" href="#297">297</a>             position = 0;
<a name="298" href="#298">298</a>         }
<a name="299" href="#299">299</a> 
<a name="300" href="#300">300</a>         <strong class="jxr_keyword">this</strong>.position.setLeft((-1 * position) + <span class="jxr_string">"px"</span>);
<a name="301" href="#301">301</a>         <strong class="jxr_keyword">this</strong>.listeners.fireScroll(<strong class="jxr_keyword">this</strong>, <strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition(),
<a name="302" href="#302">302</a>             <strong class="jxr_keyword">this</strong>.getScrollPosition());
<a name="303" href="#303">303</a>     }
<a name="304" href="#304">304</a> 
<a name="305" href="#305">305</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setScrollPosition(<strong class="jxr_keyword">int</strong> position) {
<a name="306" href="#306">306</a>         <strong class="jxr_keyword">int</strong> max = widget.getOffsetHeight() - base.getOffsetHeight();
<a name="307" href="#307">307</a> 
<a name="308" href="#308">308</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (position &gt; max)) {
<a name="309" href="#309">309</a>             position = max;
<a name="310" href="#310">310</a>         }
<a name="311" href="#311">311</a> 
<a name="312" href="#312">312</a>         <strong class="jxr_keyword">if</strong>(limit &amp; (position &lt; 0)) {
<a name="313" href="#313">313</a>             position = 0;
<a name="314" href="#314">314</a>         }
<a name="315" href="#315">315</a> 
<a name="316" href="#316">316</a>         <strong class="jxr_keyword">this</strong>.position.setTop((-1 * position) + <span class="jxr_string">"px"</span>);
<a name="317" href="#317">317</a>         <strong class="jxr_keyword">this</strong>.listeners.fireScroll(<strong class="jxr_keyword">this</strong>, <strong class="jxr_keyword">this</strong>.getHorizontalScrollPosition(),
<a name="318" href="#318">318</a>             <strong class="jxr_keyword">this</strong>.getScrollPosition());
<a name="319" href="#319">319</a>     }
<a name="320" href="#320">320</a> 
<a name="321" href="#321">321</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setWidget(Widget widget) {
<a name="322" href="#322">322</a>         <strong class="jxr_keyword">this</strong>.widget = widget;
<a name="323" href="#323">323</a>         <strong class="jxr_keyword">this</strong>.position = <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/PositionWrapper.html">PositionWrapper</a>(widget);
<a name="324" href="#324">324</a>         <strong class="jxr_keyword">this</strong>.position.setPosition(<span class="jxr_string">"relative"</span>);
<a name="325" href="#325">325</a>         <strong class="jxr_keyword">this</strong>.position.setTop(<span class="jxr_string">"0px"</span>);
<a name="326" href="#326">326</a>         <strong class="jxr_keyword">this</strong>.position.setLeft(<span class="jxr_string">"0px"</span>);
<a name="327" href="#327">327</a>         <strong class="jxr_keyword">this</strong>.base.setWidget(widget);
<a name="328" href="#328">328</a>     }
<a name="329" href="#329">329</a> 
<a name="330" href="#330">330</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addMouseListener(MouseListener listener) {
<a name="331" href="#331">331</a>         <strong class="jxr_keyword">this</strong>.fp.addMouseListener(listener );
<a name="332" href="#332">332</a>     }
<a name="333" href="#333">333</a> 
<a name="334" href="#334">334</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeMouseListener(MouseListener listener) {
<a name="335" href="#335">335</a>         <strong class="jxr_keyword">this</strong>.fp.removeMouseListener( listener );
<a name="336" href="#336">336</a>     }
<a name="337" href="#337">337</a>     
<a name="338" href="#338">338</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setHeight(String height) {
<a name="339" href="#339">339</a>         <strong class="jxr_keyword">this</strong>.fp.setHeight(height);
<a name="340" href="#340">340</a>         <strong class="jxr_keyword">this</strong>.base.setHeight(height);
<a name="341" href="#341">341</a>     }
<a name="342" href="#342">342</a> 
<a name="343" href="#343">343</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setWidth(String width) {
<a name="344" href="#344">344</a>         <strong class="jxr_keyword">this</strong>.fp.setWidth(width);
<a name="345" href="#345">345</a>         <strong class="jxr_keyword">this</strong>.base.setWidth(width);
<a name="346" href="#346">346</a>     }
<a name="347" href="#347">347</a> 
<a name="348" href="#348">348</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setPixelSize(<strong class="jxr_keyword">int</strong> width, <strong class="jxr_keyword">int</strong> height) {
<a name="349" href="#349">349</a>         <strong class="jxr_keyword">this</strong>.fp.setPixelSize( width, height );
<a name="350" href="#350">350</a>         <strong class="jxr_keyword">this</strong>.base.setPixelSize(width, height);
<a name="351" href="#351">351</a>     }
<a name="352" href="#352">352</a> 
<a name="353" href="#353">353</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setSize(String width, String height) {
<a name="354" href="#354">354</a>         <strong class="jxr_keyword">this</strong>.fp.setSize(width, height);
<a name="355" href="#355">355</a>         <strong class="jxr_keyword">this</strong>.base.setSize(width, height);
<a name="356" href="#356">356</a>     }
<a name="357" href="#357">357</a> 
<a name="358" href="#358">358</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> MouseListener MOUSE_MOVE_SCROLL_LISTENER  = <strong class="jxr_keyword">new</strong> MouseListenerAdapter(){
<a name="359" href="#359">359</a>            
<a name="360" href="#360">360</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseMove(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="361" href="#361">361</a>                 Logger.getAnonymousLogger().log( Level.SPAM,  x+<span class="jxr_string">" "</span>+y, <strong class="jxr_keyword">null</strong>);
<a name="362" href="#362">362</a>                 <strong class="jxr_keyword">int</strong> baseX = getOffsetWidth();
<a name="363" href="#363">363</a>                 <strong class="jxr_keyword">int</strong> baseY = getOffsetHeight();
<a name="364" href="#364">364</a>                 <strong class="jxr_keyword">double</strong> percentX = (<strong class="jxr_keyword">double</strong>) x / (<strong class="jxr_keyword">double</strong>) baseX;
<a name="365" href="#365">365</a>                 <strong class="jxr_keyword">double</strong> percentY = (<strong class="jxr_keyword">double</strong>) y / (<strong class="jxr_keyword">double</strong>) baseY;
<a name="366" href="#366">366</a>                 Integer currentX = (Integer) MutationStrategy.INTEGER_SINOIDAL
<a name="367" href="#367">367</a>                         .mutateValue( <strong class="jxr_keyword">new</strong> Integer(0), 
<a name="368" href="#368">368</a>                         <strong class="jxr_keyword">new</strong> Integer(getMaxHorizontalScrollPosition()),
<a name="369" href="#369">369</a>                         percentX);
<a name="370" href="#370">370</a>                 Integer currentY = (Integer) MutationStrategy.INTEGER_SINOIDAL
<a name="371" href="#371">371</a>                         .mutateValue( <strong class="jxr_keyword">new</strong> Integer(0), 
<a name="372" href="#372">372</a>                         <strong class="jxr_keyword">new</strong> Integer(getMaxScrollPosition()),
<a name="373" href="#373">373</a>                         percentY);
<a name="374" href="#374">374</a>                 setHorizontalScrollPosition( currentX.intValue() );
<a name="375" href="#375">375</a>                 setScrollPosition( currentY.intValue() );
<a name="376" href="#376">376</a>             }
<a name="377" href="#377">377</a>         };
<a name="378" href="#378">378</a>     
<a name="379" href="#379">379</a> }
</pre>
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